25679709

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{23581}}^1$

素因数の和:23609

約数の個数: 18

約数和(自身を含む): 40773278

約数和(自身を除く): 15093569

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 23581, 70743, 212229, 259391, 778173, 2334519, 2853301, 8559903, 25679709]

約数ペア:

[(1, 25679709), (3, 8559903), (9, 2853301), (11, 2334519), (33, 778173), (99, 259391), (121, 212229), (363, 70743), (1089, 23581)]